https://ttlc.intuit.com/community/taxes/discussion/where-in-turbotax-2024-can-i-see-failure-to-pay-penalties-for-my-remaining-balance-under-extension/01/3701129#M1369033 <P>In TurboTax 2024, under <STRONG>Personal &gt; Other Tax Situations &gt; Underpayment Penalties</STRONG>, I see that the software is capable to calculate underpayment penalties.</P><P>&nbsp;</P><P>However, In my case TurboTax insists that I don't have&nbsp;<STRONG>Underpayment penalties.</STRONG> Which I find strange because it is&nbsp;already 9/9/2025 and I still have balance of $3,307 under my extension. This balance happened, because when I filed for extension, I underestimated my 2024 tax liability because of 1099-int form that I discovered only now. See screenshot:</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Screenshot 2025-09-09 at 10.32.59.png" style="width: 999px;"><img src="https://ttlc.intuit.com/community/image/serverpage/image-id/50945iE2C5E822B2590567/image-size/large?v=v2&amp;px=999" role="button" title="Screenshot 2025-09-09 at 10.32.59.png" alt="Screenshot 2025-09-09 at 10.32.59.png" /></span></P><P>&nbsp;</P><P>1. Are <STRONG>failure-to-pay penalties</STRONG> calculated somewhere else in Turbotax 2024?</P><P>2. Is Turbotax even capable to calculate <STRONG>failure-to-pay penalties</STRONG> or I need to wait for IRS to calculate them for me after I file? Asking because balance drops to $0 regardless whether I add another additional payment with 09/09/2025 or 4/15/2025 date through this screen below. Which makes me believe TurboTax does not calculate <STRONG>failure-to-pay penalties</STRONG> at all:</P><DIV class="">&nbsp;</DIV> Tue, 09 Sep 2025 15:51:40 GMT asdfg1234 2025-09-09T15:51:40Z https://ttlc.intuit.com/community/taxes/discussion/where-in-turbotax-2024-can-i-see-failure-to-pay-penalties-for-my-remaining-balance-under-extension/01/3701129#M1369033 <P>In TurboTax 2024, under <STRONG>Personal &gt; Other Tax Situations &gt; Underpayment Penalties</STRONG>, I see that the software is capable to calculate underpayment penalties.</P><P>&nbsp;</P><P>However, In my case TurboTax insists that I don't have&nbsp;<STRONG>Underpayment penalties.</STRONG> Which I find strange because it is&nbsp;already 9/9/2025 and I still have balance of $3,307 under my extension. This balance happened, because when I filed for extension, I underestimated my 2024 tax liability because of 1099-int form that I discovered only now. See screenshot:</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Screenshot 2025-09-09 at 10.32.59.png" style="width: 999px;"><img src="https://ttlc.intuit.com/community/image/serverpage/image-id/50945iE2C5E822B2590567/image-size/large?v=v2&amp;px=999" role="button" title="Screenshot 2025-09-09 at 10.32.59.png" alt="Screenshot 2025-09-09 at 10.32.59.png" /></span></P><P>&nbsp;</P><P>1. Are <STRONG>failure-to-pay penalties</STRONG> calculated somewhere else in Turbotax 2024?</P><P>2. Is Turbotax even capable to calculate <STRONG>failure-to-pay penalties</STRONG> or I need to wait for IRS to calculate them for me after I file? Asking because balance drops to $0 regardless whether I add another additional payment with 09/09/2025 or 4/15/2025 date through this screen below. Which makes me believe TurboTax does not calculate <STRONG>failure-to-pay penalties</STRONG> at all:</P><DIV class="">&nbsp;</DIV> Tue, 09 Sep 2025 15:51:40 GMT https://ttlc.intuit.com/community/taxes/discussion/where-in-turbotax-2024-can-i-see-failure-to-pay-penalties-for-my-remaining-balance-under-extension/01/3701129#M1369033 asdfg1234 2025-09-09T15:51:40Z https://ttlc.intuit.com/community/taxes/discussion/re-where-in-turbotax-2024-can-i-see-failure-to-pay-penalties-for-my-remaining-balance-under/01/3701131#M1369035 <P>NO FTP penalty is not calculated. only the 2210 underpayment of estimated tax penalty and penalties on form 5329</P> Tue, 09 Sep 2025 16:10:56 GMT https://ttlc.intuit.com/community/taxes/discussion/re-where-in-turbotax-2024-can-i-see-failure-to-pay-penalties-for-my-remaining-balance-under/01/3701131#M1369035 Mike9241 2025-09-09T16:10:56Z